<template>
<div class="login-container">
  <el-form ref="form" :model="form" :rules="rules" class="login-page">
    <h2 class="title" style="margin-bottom: 20px">系统登陆</h2>
    <el-form-item prop="username">
      <el-input v-model="form.username" clearable>
        <template #prefix>
          <el-icon class="el-input__icon">
            <User />
          </el-icon>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input v-model="form.password" clearable show-password>
        <template #prefix>
          <el-icon class="el-input__icon">
            <Lock />
          </el-icon>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item>
      <div style="display: flex">
        <el-input v-model="form.validCode" style="width: 45%;" placeholder="请输入验证码"></el-input>
        <ValidCode @input="createValidCode" style="width: 50%" />
      </div>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" style=" width: 100%" @click="login">登 录</el-button>
    </el-form-item>
    <el-form-item>
      <el-button type="text" @click="$router.push('/register')">前往注册 >> </el-button>
    </el-form-item>
  </el-form>
</div>
</template>

<script>
import request from "../utils/request";
import {
  ElMessage
} from "element-plus";
import ValidCode from "../components/Validate";

export default {
  name: "Login",
  components: {
    ValidCode
  },
  data() {
    return {
      validCode: '', //通过valicode获取的验证码
      form: {},
      rules: {
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur',
        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur',
        }]

      }

    }
  },
  methods: {
    createValidCode(data) {
      this.validCode = data
    },
    login() {
      this.$refs['form'].validate(async (valid) => {
        if (valid) {
          if (!this.form.validCode) {
            ElMessage.error("请填写验证码")
            return
          }
          if (this.form.validCode.toLowerCase() !== this.validCode.toLowerCase()) {
            ElMessage.error("验证码错误")
            return
          }

          let res = await request.post("user/login", this.form)
          if (res.status === 200) {
            ElMessage.success("登录成功")
            sessionStorage.setItem("token", res.data);

            let res2 = await request.get("user/info")
            console.log("res2 is ", res2)
            if (res2.status == 200) {
              sessionStorage.setItem("user", JSON.stringify(res2.data)) //缓存用户信息
              this.$router.push("/dashboard")
            } else {
              ElMessage.error(res2.message)
            }
          } else {
            ElMessage.error(res.message)
          }
        }
      })

    }
  }
}
</script>

<style scoped>
.login-container {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: url('../img/bg2.svg');
  background-size: contain;
  overflow: hidden;
}

.login-page {
  border-radius: 5px;
  margin: 180px auto;
  width: 350px;
  padding: 35px 35px 15px;
  background: #fff;
  border: 1px solid #eaeaea;
  box-shadow: 0 0 25px #cac6c6;
}
</style>
